2,2',4,5'-Tetrachlorobiphenyl (49) Back Catalog number: 66049 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended GLC-744 GLC Reference standard 744, 100mg Price on request 71230 Imazapyr Price on request S-4037-K-10IO 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request